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Abstract

Procedure for the determination of the consumption of electrical energy by a consumer in a procedure for the determination of the consumption of electrical energy by a consumer, the sinusoidal alternating voltage applied to the consumer and the sinusoidal alternating current flowing to the consumer are measured at points in time which correspond to a pre-determined sampling rate. Products are formed of the values measured, and the products are added together for the duration of the energy consumption by the consumer. For each voltage value measured at a voltage-measurement point in time, in accordance with the timing interval of the sampling period, current values are measured at points .DELTA.t before the voltage measurement point in time and at .DELTA.t after the voltage measurement point in time. For the formation of the product, each measured voltage value is multiplied by the current value measured .DELTA.t before the voltage measurement point in time, and for the formation of the sum the arithmetic mean values of the products from each of the measured voltage values over the duration of consumption of energy by the consumer are added together.

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